Rafael Nadal defeated Juan Monaco 6-1 6-3 in the Stuttgart quarter-final on grass. The result followed the form book — Rafael Nadal came in leading the head-to-head 6–1. Rafael Nadal extended the head-to-head to 7–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2016-02-08 | Buenos Aires | R16 | clay | Rafael Nadal | 6-4 6-4 |
| 2015-02-23 | Buenos Aires | F | clay | Rafael Nadal | 6-4 6-1 |
| 2014-05-04 | Madrid Masters | R32 | clay | Rafael Nadal | 6-1 6-0 |
| 2012-05-27 | Roland Garros | R16 | clay | Rafael Nadal | 6-2 6-0 6-0 |
| 2011-12-02 | Davis Cup WG F: ESP vs ARG | RR | clay | Rafael Nadal | 6-1 6-1 6-2 |
| 2007-08-13 | Cincinnati Masters | R32 | hard | Juan Monaco | 7-6(5) 4-1 RET |
| 2005-07-04 | Bastad | R32 | clay | Rafael Nadal | 6-1 6-1 |
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About
Averages over each player's completed matches in the selected window (200 vs 200). ATP, WTA & Challenger.